1. Increasing by successive addition
   "the eventual accumulative effect of these substances"
   - cumulative 
2. Marked by acquiring or amassing
   "we live in an accumulative society"

See also: accumulate, acquisitive, additive

• businesspeople
• businessperson
• businesswoman
• busk
• busker
• buskin
• busload
• busman
• busman's holiday
• BuSpar
• buspirone
• buss
• bust
• bust a gut
• bust-up
• bust-up takeover
• bustard
• bustard quail
• busted
• bustee
• buster
• Buster Keaton
• bustier
• bustle
• bustle about